16-letter words containing a, b, i, r, t
- heterometabolism — insect development in which the young hatch in a form very similar to the adult and then mature without a pupal stage
- hit a brick wall — unable to continue or make progress because of a hindrance
- hybrid perpetual — a type of cultivated rose bred from varieties having vigorous growth and more or less recurrent bloom.
- hydration number — the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.
- hypervariability — apt or liable to vary or change; changeable: variable weather; variable moods.
- icterine warbler — a European variety of tree warbler (Hippolais icterina )
- impenetrableness — The quality of being impenetrable.
- imperfectability — The quality of not being perfectable; of being forever imperfect.
- imperturbability — incapable of being upset or agitated; not easily excited; calm: imperturbable composure.
- impracticability — The quality or condition of being impracticable.
- in a brown study — in a reverie or daydream
- inboard-outboard — Also, outdrive, stern-drive. (of a motorboat) having an inboard engine connected to a maneuverable outboard drive-shaft unit.
- incontravertable — Misspelling of incontrovertible.
- incorporated bar — (in some states) a system of bar associations to which all lawyers are required to belong.
- indescribability — (uncountable) The state or characteristic of being indescribable.
- indian breadroot — breadroot.
- intake of breath — When someone takes an intake of breath, they breathe in quickly and noisily, usually because they are shocked at something.
- inter-laboratory — a building, part of a building, or other place equipped to conduct scientific experiments, tests, investigations, etc., or to manufacture chemicals, medicines, or the like.
- interbehavioural — relating to or involving interbehaviour
- intercalibration — to determine, check, or rectify the graduation of (any instrument giving quantitative measurements).
- interest-bearing — paying interest
- interminableness — The state or condition of being interminable.
- interoperability — capable of being used or operated reciprocally: interoperable weapons systems.
- interpretability — to give or provide the meaning of; explain; explicate; elucidate: to interpret the hidden meaning of a parable.
- into the bargain — an advantageous purchase, especially one acquired at less than the usual cost: The sale offered bargains galore.
- irreplaceability — The quality of being irreplaceable; inability to be replaced; (frequently) uniqueness.
- irretrievability — The state or quality of being irretrievable.
- knights of labor — a secret workingmen's organization formed in 1869 to defend the interests of labor.
- labour relations — Labour relations refers to the relationship between employers and employees in industry, and the political decisions and laws that affect it.
- labour-intensive — Labour-intensive industries or methods of making things involve a lot of workers. Compare capital-intensive.
- large-print book — a book where the text is printed in larger text than normal, so as to make it easier to read, esp for the visually impaired
- libation-bearers — Choëphori.
- liberal democrat — In Britain, a Liberal Democrat is a member of the Liberal Democrat Party.
- liberal unionist — a Liberal who opposed Gladstone's policy of Irish Home Rule in 1886 and after
- library pictures — a caption used to alert viewers that footage being broadcast is from an earlier time and is not happening now
- lick observatory — the astronomical observatory of the University of California, situated on Mount Hamilton, near San Jose, California, and having a 120-inch (3-meter) reflecting telescope and a 36-inch (91-cm) refracting telescope.
- like gangbusters — a law-enforcement officer who specializes in breaking up organized crime, often by forceful or sensational means.
- little brown bat — any of several small to medium-sized common bats of the genera Myotis and Eptesicus, found worldwide in caves, trees, and buildings, including M. lucifugus (little brown bat) and E. fuscus (big brown bat) a widespread North American species.
- lumberjack shirt — a thick checked shirt, as worn by lumberjacks
- magnetic bearing — the bearing of a point relative to that of the nearest magnetic pole.
- mainland britain — England, Wales, and Scotland excluding those adjacent islands governed from the mainland
- maitre de ballet — ballet master.
- marine barometer — a barometer for use on shipboard, especially one mounted on gimbals so as to minimize the effects of the motion of the vessel.
- marine biologist — scientist who studies sea life
- martin van buren — Martin, 1782–1862, 8th president of the U.S. 1837–41.
- mass observation — the study of the social habits of people through observation, interviews, etc
- megakaryoblastic — (cytology) Of or pertaining to a megakaryoblast.
- mountain climber — someone who climbs or walks up mountains
- multi-way branch — switch statement
- multituberculate — a rodentlike mammal of the extinct order Multituberculata, which lived from the late Jurassic Period to the Oligocene Epoch, reaching the size of a woodchuck and having molars with two or three rows of simple pointed cusps.